* {
    padding: 0;
    margin: 0;
}

.wrapper {
    margin: 0 auto;
    width: 1200px;
    height: 670px;
    position: relative;
}

.header {
    position: relative;
    margin: 0 auto;
    height: 44px;
    width: 1024px;
    /*background-color: rgba(68, 99, 152, 0.7);*/
}

.menuTreeMain {
    list-style: none;
    height: 60px;
    width: 100%;

    background-color: #393D49;
    line-height: 60px;
    /*text-indent: 25px;*/

}

.menuTreeMain > li {
    text-align: center;
    width: 110px;
    height: 60px;
    float: left;

    /*display: inline;*/
    transition: all .3s;
}

.menuTreeMain > li:hover {
    /*border-top: 5px solid chocolate;*/
    color: white;
    transition: all .3s;
    /*background-color: #FFC120;*/
    background-color: #EAAA00;
}

.menuTreeMain > li:hover .menuTreeSecond {
    display: block;
}

.menuTreeMain > li > a:hover {

    /*border-left: 5px solid chocolate;*/
    color: white;
    transition: all .3s;
}

.menuTreeMain > li > a {
    display: block;
    /*width: 99%;*/
    /*list-style: none;*/
    white-space: nowrap;
    text-decoration: none;
    color: white;
    transition: all .3s;
}

.menuTreeSecond {

    display: none;
    color: white;
    background-color: #282B33;
    line-height: 40px;
    /*text-indent: 25px;*/
}

.menuTreeSecond > li:hover {
    /*border-left: 5px solid chocolate;*/
    background-color: #EAAA00;
    color: white;
    transition: all .3s;

}

.menuTreeSecond > li {
    white-space: nowrap;
    list-style: none;
    transition: all .3s;
}

.menuTreeSecond > li > a {
    list-style: none;
    color: white;
    text-decoration: none;
}

.hTitle {
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

}

.divloginButton {
    color: white;

    position: absolute;
    top: 20px;
    right: 3%;
}

.divloginButton > a {
    text-decoration: none;
    color: white;
}

.createClazz, .insertClazz {
    display: none;
    width: 290px;
    height: 150px;
    background-color: #f2f2f2;
    border: 2px slategray solid;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

}
.divlogin {
    display: none;
    width: 300px;
    height: 200px;
    background-color: #f2f2f2;
    border: 2px slategray solid;
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translate(-35%, -50%);

}

.divinput {

    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.divinputSe{
    border: 2px slategray solid;
    height: 150px;
    width: 250px;
    padding: 5px;
}
.divinputTr{
    position: absolute;
    right: 20%;
    bottom: 25px;
}
.divinputTrSen{
    position: absolute;
    right: 20%;
    bottom: 5px;
}

.inputP{
    border-top: 2px slategray solid;
    border-left: 2px slategray solid;
    border-right:2px slategray solid;
    width: 75px;

    float: left;

}
.inputP:hover{
    background-color: #EAAA00;
}
.pinput {

    /*text-align: center;*/
    display: inline-block;
}
#loginid, #loginpaw{
    width: 150px;
    display: inline-block;
    vertical-align: middle;
}
/*.seeTitle {*/

/*text-indent: 20px;*/
/*float: left;*/
/*width: 90%;*/
/*height: 10%;*/
/*background-color: #FF7F27;*/
/*}*/

.createClazz > input, .insertClazz > input {
    width: 50px;
    height: 35px;
    float: right;
}

.seeTitle > h3 {
    padding: 0px;
    margin: 0px;
    /*float: left;*/
}



.main {
    margin: 0 auto;
    margin-top: 27px;
    width: 1024px;
    height: 90%;
    /*background-color: #f2f2f2;*/
}

.divChange {

    width: 100%;
    height: 100%;
    background-color: #446398;
}
